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Multi-Rate DEM With Mismatch-Noise Cancellation for DCOs in Digital PLLs.
- Source :
- IEEE Transactions on Circuits & Systems. Part I: Regular Papers; Oct2018, Vol. 65 Issue 10, p3125-3137, 13p
- Publication Year :
- 2018
-
Abstract
- Mismatches among frequency control elements in digitally-controlled oscillators can be a significant source of phase error in digital phase-locked loops (PLLs). This paper presents a multi-rate dynamic element matching technique and an adaptive mismatch-noise cancellation (MNC) technique that work together to address this problem. The two techniques operate in background during normal PLL operation, and the MNC technique has typical cold start convergence times of a few seconds. [ABSTRACT FROM AUTHOR]
- Subjects :
- PHASE-locked loops
ADAPTIVE control systems
Subjects
Details
- Language :
- English
- ISSN :
- 15498328
- Volume :
- 65
- Issue :
- 10
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Circuits & Systems. Part I: Regular Papers
- Publication Type :
- Periodical
- Accession number :
- 131629662
- Full Text :
- https://doi.org/10.1109/TCSI.2018.2819024